.thk-teach{margin:14px auto 0;max-width:620px;text-align:left;border:1px solid var(--line,rgba(39,31,22,.14));border-radius:12px;background:rgba(255,255,255,.6);padding:12px 16px 14px}.thk-teach-head{display:flex;align-items:center;gap:8px;margin-bottom:8px}.thk-teach-mark{width:3px;height:14px;border-radius:2px;background:var(--gold,#c79231)}.thk-teach-tag{font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--muted,#8a8172)}.thk-teach-dots{margin-left:auto;display:inline-flex;gap:5px}.thk-teach-dot{width:5px;height:5px;border-radius:50%;background:var(--line,rgba(39,31,22,.18));transition:background .3s ease}.thk-teach-dot.on{background:var(--gold,#c79231)}.thk-teach-card{animation:thk-card-in .45s ease both}@keyframes thk-card-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.thk-teach-title{font-size:13px;font-weight:700;color:var(--ink,#3c352b);margin-bottom:6px}.thk-teach-lines{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:5px}.thk-teach-lines li{position:relative;padding-left:14px;font-size:12.5px;line-height:1.7;color:var(--text-muted,#64655a)}.thk-teach-lines li:before{content:"";position:absolute;left:2px;top:.72em;width:5px;height:5px;border-radius:50%;background:var(--gold,#c79231);opacity:.55}.thk-heartbeat{display:flex;align-items:center;justify-content:center;gap:7px;margin:12px 0 0;font-size:12px;color:var(--muted,#8a8172)}.thk-heartbeat-dot{width:7px;height:7px;border-radius:50%;background:var(--accent,#b3402a);animation:thk-pulse 1.6s ease-in-out infinite}@keyframes thk-pulse{0%,to{transform:scale(1);opacity:.55}50%{transform:scale(1.45);opacity:1}}.thk-heartbeat-ellipsis{letter-spacing:2px}@media (prefers-reduced-motion:reduce){.thk-heartbeat-dot,.thk-teach-card{animation:none}}